Quarterly report pursuant to Section 13 or 15(d)

CISCO AUDIT (Details Narrative)

v2.4.1.9
CISCO AUDIT (Details Narrative) (USD $)
3 Months Ended
Mar. 31, 2015
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2014
Cisco Audit Details Narrative        
Additional Cisco royalty payments as a result of audit   $ 3,281,000us-gaap_CostOfServicesLicensesAndServices    
Percentage Revenue 85.00%nssi_PercentageRevenue   91.00%nssi_PercentageRevenue  
Percentage of royalty receivable 85.00%nssi_PercentageOfRoyaltyRevenue     74.00%nssi_PercentageOfRoyaltyRevenue